Spirifer
石燕贝属
🗣️ 情景例句
At six you're meeting, Mr. Ozawa.
六点钟 ，要会见Ozawa先生。
Some students quit school due to poverty.
一些学生因贫困而辍学。
I want to go to the shop. I want an eraser.
我想去商店买块橡皮。